by Flack » Sun Oct 02, 2011 11:56 am
Paul Robinson wrote:Now, I know these games have setup modes, such as determining what point value you have to have before you get a free game, how many quarters to start the game, how many quarters to add a game, and so on. Is this something you have to activate (like a toggle switch to go into Maintenance Mode) or does it go into that mode if you unlock the door? Or can you get to it without having to open the door?
Most arcade games require you to flip a dip switch on the circuit board to put the game into maintenance mode. This is to prevent customers from walking up to the machines and, with a little knowledge, making changes to the machine.
Incidentally, many arcade machines had "kill" switches that would kill the power to the machine if either the rear door or coin doors were opened. This was to prevent careless repair men from getting shocked.
Paul Robinson wrote:Also, what does the maintenance mode allow you to do?
Generally speaking, the things you mentioned -- how many coins per play (one or two), how many points are required for an extra life, and so on. Note that in most older games, these options were typically just set using dip switches. Another common dip switch is "monitor/cabinet orientation". Most cocktail cabinets flip the screen upside down in between players (since they are sitting head-to-head), while an upright cabinet does not.
Check out some of the arcade manuals Jason Scott has been uploading to the Internet Archive and you can see what the maintenance/dip settings for each game do (
Link)
Paul Robinson wrote:I have my own story. Back around 1977 or so, I was watching a guy in an arcade at Lakewood Center in Lakewood, California, program the attract-mode welcome message, and I was saying a few things, because the method he was using to set the display to say something like "Welcome to Lakewood Arcade" reminded me of trying to program something. So I recognized what he was doing in that way, plus I could tell from the look on his face when he missed a letter and had to go through the whole thing all over again, because I had done that sort of thing myself, and probably more than once.
I would love to find out what game that was. I've never seen one that does that, although I'm not an expert on 70s games. This sounds like a feature that was probably dropped in later machines.
[quote="Paul Robinson"]Now, I know these games have setup modes, such as determining what point value you have to have before you get a free game, how many quarters to start the game, how many quarters to add a game, and so on. Is this something you have to activate (like a toggle switch to go into Maintenance Mode) or does it go into that mode if you unlock the door? Or can you get to it without having to open the door?[/quote]
[i]Most[/i] arcade games require you to flip a dip switch on the circuit board to put the game into maintenance mode. This is to prevent customers from walking up to the machines and, with a little knowledge, making changes to the machine.
Incidentally, many arcade machines had "kill" switches that would kill the power to the machine if either the rear door or coin doors were opened. This was to prevent careless repair men from getting shocked.
[quote="Paul Robinson"]Also, what does the maintenance mode allow you to do?[/quote]
Generally speaking, the things you mentioned -- how many coins per play (one or two), how many points are required for an extra life, and so on. Note that in most older games, these options were typically just set using dip switches. Another common dip switch is "monitor/cabinet orientation". Most cocktail cabinets flip the screen upside down in between players (since they are sitting head-to-head), while an upright cabinet does not.
Check out some of the arcade manuals Jason Scott has been uploading to the Internet Archive and you can see what the maintenance/dip settings for each game do ([url=http://www.archive.org/search.php?query=mediatype%3Atexts%20AND%20collection%3Aarcademanuals%20AND%20subject%3A%22Arcade%20Game%20Manual%22]Link[/url])
[quote="Paul Robinson"]I have my own story. Back around 1977 or so, I was watching a guy in an arcade at Lakewood Center in Lakewood, California, program the attract-mode welcome message, and I was saying a few things, because the method he was using to set the display to say something like "Welcome to Lakewood Arcade" reminded me of trying to program something. So I recognized what he was doing in that way, plus I could tell from the look on his face when he missed a letter and had to go through the whole thing all over again, because I had done that sort of thing myself, and probably more than once.[/quote]
I would love to find out what game that was. I've never seen one that does that, although I'm not an expert on 70s games. This sounds like a feature that was probably dropped in later machines.